... and programs, and we collected and analyzed information from non-governmental organizations (NGOs), the oil and gas industry, and other stakeholders to augment our discussion of major oil and ... predominantly occurred in the Texas-Louisiana region (including the San Juan and Permian Basins), along the Alaskan North Slope, and in the Gulf of Mexico. Over the past several years, long-standing ... oxides, and lead. These pollutants can cause harm to human health and the environment and can lead to property damage. Of the six pollutants, particle pollution and ground-level ozone are the most...